ISO 389-1-2017
ISO 389-1-2017 标准详情
- 标准号:ISO 389-1-2017
- 中文标题:
- 英文标题:Acoustics -- Reference zero for the calibration of audiometric equipment -- Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones
- 标准类别:国际标准化组织ISO
- 发布日期:
内容简介
ISO 389-1:2017 specifies a standard reference zero for the scale of hearing threshold level applicable to pure-tone air conduction audiometers, to promote agreement and uniformity in the expression of hearing threshold level measurements throughout t
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